cracking ocpjp 7 exam
DESCRIPTION
This presentation gives you a detailed overview of Oracle Certified Professional Java SE 7 Programmer Exams 1Z0-804 and 1Z0-805. Also, it guides you on how to prepare for the exam and crack it with ease.TRANSCRIPT
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Cracking OCPJP 7 ExamS G Ganesh Tushar Sharma
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WHY GET CERTIFIED?
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DIFFERENTIATE YOURSELF
The key to get a job, hike or promotion is to show you deserve it
Certification is a means to show that you’ve relevant knowledge and skills
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T show you’ve some document proof that you have relevant skills or knowledge
show that you are different from others & have some specialized skills/knowledge
preparing and passing the exam gives you focus on mastering the topic
gives you confidence for getting a job or asking for a promotion/raise
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WHY JAVA CERTIFICATION?Java continues to be popular and is one of the hot skills
that is in demand in the job market
From www.tiobe.com as on 17 March - Java is the most popular language in the
world!
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ORACLE’S CERTIFICATION PATH
Oracle Certified Associate
Oracle Certified Professional
Oracle Certified Master
Fundamental skills, provides strong foundations for further
exams
Professional skills and technical expertise to develop enterprise
software
Advanced levels of skills and knowledge
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COMPARISON OF ORACLE’S JAVA EXAMS
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OCPJP 6 VS. OCPJP 7
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ORACLE CERTIFIED
PROFESSIONAL JAVA
PROGRAMMER 7(OCPJP 7)
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Java Class Design
Advanced Class Design
Object-Oriented Design Principles
Generics and Collections
String Processing
Exceptions and Assertions
Java I/O Fundamentals
Java File I/O (NIO.2)
Building Database Applications with JDBC
Threads
Concurrency
Localization
EXAM TOPICS
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Language Enhancements
Design Patterns
Java File I/O (NIO.2)
Building Database Applications with JDBC
Concurrency
Localization
ALREADY HAVE A JAVA CERTIFICATION?
GO FOR UPGRADE EXAM
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GETTING FAMILIAR WITH OCPJP 7 EXAM
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WHAT KIND OF EXAM?
It’s a multiple-choice questions exam The number of options would
be based on the questions Can be from 4 to 7 options
(typically four options)
Many questions will have more than one answer to be selected! The question will clearly tell you
how many options you need to select
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WHAT DO THE QUESTIONS TEST? Questions intend to test your ability
to solve real-world problems Most questions would be
programming questions Given a program or code segment, predict the
behavior Also few conceptual questions
These questions will test your knowledge and will not have any programs in it. Examples: What are different kinds of drivers in
JDBC?What are different kinds of liveness
problems with threads?
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SAMPLE QUESTION - IWhich two of the following statements are true regarding sleep() method in Thread class?a) The sleep() method takes milliseconds as an argument for the time to sleep.
b) The sleep() method takes microseconds as an argument for the time to sleep.
c) The sleep() method relinquishes the lock when the thread goes to sleep and reacquires the lock when the thread wakes up.
d) The sleep() method can throw InterruptedException if it is interrupted by another thread when it sleeps.
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ANSWER AND EXPLANATIONOptions a) and d) are true: a) Takes milliseconds as the argument for time to sleep.d) Can throw the InterruptedException if it is interrupted by another thread when it sleeps.
These two options are wrong: In option b), the sleep() method takes milliseconds as an argument, not microseconds.In option d), the sleep() method does not relinquish the lock when it goes to sleep; it holds the lock.
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WHAT DO THE QUESTIONS TEST?
Questions will check your knowledge of language features and their usage Will test if you understand language
features and can apply them in practical situations
Most questions will be on nitty-gritty details or corner cases, or unusual aspects of the language Example: You don’t just need to
understand the generics feature in Java but also need to understand problems due to type-erasure
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SAMPLE QUESTION - II
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Which one of the following options best describes the behavior of this program?a) The program prints: in catch -> in finally -> after everything
b) The program prints: after throw -> in catch -> in finally -> after everything
c) The program prints: in catch -> in finally -> after everything
d) The program prints: in catch -> after everything
e) The program prints: in catch -> in finally ->
f) When compiled, the program results in a compiler error in line marked with comment in LINE A for divide-by-zero
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ANSWER AND EXPLANATION e) The program prints: in catch -> in
finally ->
The statement println("after throw -> "); will never be executed since the line marked with comment LINE A throws an exception. The catch handles ArithmeticException, so println("in catch -> "); will be executed. Following that there is a return statement, so the function returns. But before the function returns, the finally statement should be called, and hence the statement println("in finally -> "); will get executed. So, the statement println("after everything"); will never get executed.
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WHAT DO THE QUESTIONS TEST?
Questions will test your knowledge of library features and their usage Will test if your familiarity with Java
APIs and know how to use them in practical situations
Most questions will be on nitty-gritty details or corner cases, or unusual aspects of the library Example: What does the remove() method
of Deque do? (Answer: It removes the first element from the underlying deque instance)
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SAMPLE QUESTION - III
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Which one of the following options correctly describes the behavior of this program? a) This program will result in a compiler error in line marked with comment LINE A
b) When executed, the program prints: Brazil Russia India China
c) When executed, the program prints: Brazil China India Russia
d) When executed, the program prints: Russia India China Brazil
e) When executed, the program throws a runtime exception NullPointerException when executing the line marked with comment LINE A
f) When executed, the program throws a runtime exception InvalidComparatorException when executing the line marked with comment LINE A
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ANSWER AND EXPLANATION c) When executed, the program prints:
Brazil China India Russia
When null is passed as second argument to Arrays.sort() method, it means that the default Comparable (i.e., natural ordering for the elements) should be used. The default Compartor results in sorting the elements in ascending order. The program does not result in a compiler error or any execeptions usch as NullPointerException.
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SAMPLE QUESTION - IVGiven these two definitions
interface I1 {}
interface I2 {}
which one of the following will compile without errors?a) interface II implements I1, I2 {}
b) interface II implements I1 implements I2 {}
c) interface II implements I1 extends I2 {}
d) interface II extends I1, I2 {}marked with comment in LINE A for divide-by-zero
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ANSWER AND EXPLANATION d) interface II extends I1, I2 {}
It is possible for an interface to extend one or more interfaces. In that case, we need to use the extends keyword and separate the list of super-interfaces using commas.
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WHAT THE QUESTIONS DO NOT TEST?
The exam tests your understanding of the Java language and library and your ability to apply it for problem solving It does not test your memory skills However, there are few topics where you may need to
remember key things; examples: Letters used for creating custom date and time formats
("string patterns") for use with SimpleDateFormat class Characters used for forming pattern strings in regular
expressions Format specifiers and their meaning for use in format()
method in String and in printf()
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OUT-OF-SYLLABUS QUESTIONS?!!
Exam questions need not be exactly from the exam objectives Any topics related to the exam objectives can come in the
exam For example, serialization and use of transient keyword is
not explicitly mentioned in the OCPJP exam topic But this topic can come in the actual exam because it is
related to reading and writing streams one of the streams is ObjectStreams and it relates to serialization!
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PREPARING FOR THE EXAM
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CODE, CODE, CODE!
The best way to prepare for the exam is to write lots and lots of small programs and learn from your mistakes!
If possible, take up some small toy projects in the topics you’re new or not familiar with.
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READ, READ, READ
Reading and learn more about the language features and the library
Oracle’s online Java tutorial: http://docs.oracle.com/javase/tutorial/; http://docs.oracle.com/javase/tutorial/extra/certification/javase-7-programmer2.html
Java documentation:http://docs.oracle.com/javase/7/docs/api/
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FOCUS MORE ON NEW TOPICS
Focus especially on Java 7 features in OCPJP
Also, take a close look at the exam objectives and grade yourself from say 1 to 10 with 10 being the highest. Prepare all the topics for which you've rated yourself as 8 or below.
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PLAN AHEAD TO TAKE THE EXAM
Plan for taking your exam well in advance
Look out for scheduling the exam when you’ll be free for at least a few weeks for exam preparation; avoid last minute rush to prepare
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HOW TO REGISTER?
Three options: You can register and pay at
the Pearson VUE website Recommended option
You can buy exam voucher from Oracle and then register yourself in Pearson VUE website
You can register and pay in the Oracle Testing Center (OTC)
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OCPJP 7 BOOK
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OCPJP 7 BOOK
Title Oracle Certified Professional Java SE 7 Programmer Exams 1Z0-804 and 1Z0-805
Authors S G Ganesh and Tushar Sharma
Edition & Publication Date 1 edition (February 27, 2013)
Pages 656
Publisher Apress
ISBN-13 978-1430247647
List Price US $45.99
Amazon URL http://amzn.com/1430247649
Blog http://ocpjp7.blogspot.in
Apress URL http://www.apress.com/9781430247647
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ALL THE BEST!
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